103023-50-3Relevant articles and documents
A novel polythiophene derivative as a sensitive colorimetric and fluorescent sensor for anionic surfactants in water
Wang, Lin,Feng, Qilong,Wang, Xiangyong,Pei, Meishan,Zhang, Guangyou
scheme or table, p. 1897 - 1901 (2012/10/08)
A novel cationic polythiophene derivative, poly[N,N,N-trimethyl-4- (thiophen-3-ylmethylene)cyclohexanaminium chloride] (PTCA-Cl), has been prepared successfully and applied as a colorimetric and fluorometric probe for the detection of anionic surfactants. In particular, a new method for the polymerization of cationic polythiophene derivatives is found, which has not been reported previously. The colorimetric and fluorescent response of PTCA-Cl to anionic surfactants have been investigated by absorption and emission spectroscopy. The sensing interaction can be apparently observed by the naked eye, which presents a great advantage for its practical applications. Moreover, the sensor (PTCA-Cl) shows high selectivity towards anionic surfactants in the presence of other negatively charged analytes, as well as high sensitivity with a detection limit at 10-9 M by using fluorimetry, which is the lowest ever achieved among all synthetic anionic surfactants sensors available. Therefore, the water soluble polythiophene derivative can be applied as a colorimetric and fluorescent probe for the detection of anionic surfactants with high selectivity and sensitivity.
A Novel Approach to 4-Dimethylaminocyclohexanone via Birch Reduction of N,N-Dimethyl-4-methoxyaniline
Stanetty, Peter,Kasemann, Olaf,Schmid, Martin
, p. 2101 - 2110 (2007/10/02)
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